.menu-background{
    width: 260px;
    height: 100vh;
    background: #3a415a;
    font: #a8b4c7;
    padding-bottom: 10000px;
    margin-bottom: -10000px
}
.logo{
    width: 100%;
    height: 160px;
    text-align: center;
    background-image: url(/assets/img/logo.jpg);
    background-repeat: no-repeat;
    background-position: center;
}
.main-title{
    width: 100%;
    cursor: pointer;
    font-size: 16px;
    color: #a8b4c7;
    height: 50px;
    line-height: 50px;
    padding-left: 30px;
    display: flex;
}
.sub-title-container{
    max-height:0px;
    overflow: hidden;
    transition: max-height 0.5s ease-in,color 0.3s ease-out;
    color: #a8b4c7;
    font-size: 14px;
    background-color: #302c47;
    /* border-left: 6px solid #1ab394; */
}

.sub-title-container.show{
    max-height:200px;
}
.sub-title{
    cursor: pointer;
    height: 50px;
    line-height: 50px;
    padding-left: 60px;
}
.sub-title.active{
    color: white;    
    background: #2b87ff
}
.main-title.menuFont{
    color: white;
    background-color: #3a415a;
    /* border-left: 6px solid #1ab394; */
    padding-left: 24px;
}
.menu-pointer{
    background-image: url(/assets/img/arraw.png);
    background-repeat: no-repeat;
    background-position: center;
    width: 20px;
    height: 50px
}
.menu-pointer.show{
    transform: rotate(270deg);
}